Three angles of a quadrilateral are 100∘ ,90∘ and 85∘ .The fourth angle is ___

Three angles of a quadrilateral are 100∘ ,90∘ and 85∘ .The four

1.	Three angles of a quadrilateral are 100∘ ,90∘ and 85∘ .The fourth angle is ___
Answer» Three angles of a quadrilateral are $100^{\circ}$ , $90^{\circ}$ and $85^{\circ}$ .The fourth angle is ___